Answer:
D- $12.36
Step-by-step explanation:
Answer:
$12.36
Step-by-step explanation:
I got it wright in edge 2020
Is (1, 1) a solution to the inequality 6x + 6y < 15?
Answer:
Yes
Step-by-step explanation:
Plug the given values in for x and y to check (1,1) = (x,y)
6(1)+6(1) < 15
6+6 < 15
12<15
12 is less than 15 therefore (1,1) is a solution
Which set of fractions is ordered from greatest to least?
A. 2/3, 3/8, 5/12
B. 5/12, 3/8, 2/3
C. 2/3, 5/12, 3/8
D. 3/8, 2/3, 5/12
III III Fill in the blanks to write the number 880.328 in expanded form: 880.328 = 800 + +0.3 + + 0.008
Answer:
880.328 = 800 + 80 +0.3 + 0.02 + 0.008
The third and fourth grade teachers are planning a trip for their classes to the zoo. There are 173 third graders and 124 fourth graders. Each seat on the buses fits 3 students. Which expression represents the closest estimate of the number of seats on the buses that are needed for the students?
Answer:
173 - 124 = then do thatb divided by each seat 2
Step-by-step explanation:
What is the value of f(3) in the function below?
F(x) = 1/4 • 2^x
Answer:
Value is 2
Step-by-step explanation:
f(3)= 1/4 x 2^(3) ------- 2 x 2 x 2= 8
1/4 x 8 = 8/4 = 2
1. This table shows the input and output values for an exponential function f(x).
What is the ratio of outputs for any two inputs that are one value apart?
4
−12
2
−2
2. The table represents an exponential function.
What is the ratio of outputs for any two inputs that are two values apart?
Divide the larger output by the smaller output.
Enter your answer, as a decimal to the nearest hundredth, in the box.
3. Which situations can be represented by an exponential function?
Select each correct answer.
The value of a motorcycle decreases by 12% each year.
In a structure made of soup cans, each row has 6 more cans than the previous row.
Every year, the number of online subscribers to a service is 4 times what it was the previous year.
A doctor's office accepts 20 new patients each month.
Answer:
Question 1) Is option C: 2. (Question 2) The correct answer is 1.09 for the K12 program. Question 3) Option A: The value of a motorcycle decreases by 12% each year. (Option C) Every year, the number of online subscribers to a service is 4 times what it was the previous year.
The ratio of outputs for any two inputs that are one value apart is 4 thus option (A) is correct. The ratio of outputs for any two inputs that are two values apart is 1/8. The situation in option (3) represents the exponential function.
What are the ratio and proportion?The ratio is the division of the two numbers.
For example, a/b, where a will be the numerator and b will be the denominator.
Proportion is the relation of a variable with another. It could be direct or inverse.
As per the given table,
The ratio of outputs for any two inputs that are one value apart = (-1/2)/(-1/8) = 4
The ratio of outputs for any two inputs that are two values apart = (-1/8)/(-1) = 1/8
Every year, the number of online subscribers to a service is 4 times what it was the previous year's exponential function with a 4^x exponent.
Hence "The ratio of outputs for any two inputs that are one value apart is 4. The ratio of outputs for any two inputs that are two values apart is 1/8 and the third statement shows exponential function".
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The table shows the age distribution of members of a gym. A member of gym is chosen at random. What is the probability that the person is: a) 21 or more b) 55 or less c) not in the 21 to 35 age group
The probability that the selected member is 21 or more is 88%.
The probability that the selected member is 55 or less is 86%.
The probability that the selected member is not in the 21 to 35 age group is 58%.
Finding probabilities:The basic probability formula of dividing the number of favorable outcomes by the total number of outcomes.
In this case, we are given the percentage of members in each age group, and we need to find the probability of selecting a member with a certain age range.
Here we have
The table shows the age distribution of members of a gym.
Age - Under 21 21 -35 36 - 55 Over 55
percentage 12 42 32 14
a) To find the probability that the selected member is 21 or more,
Add the percentage of members who are 21-35, 36-55, and over 55 since all of these age groups are 21 or more.
Probability (21 or more)
= Percentage (21-35) + Percentage (36-55) + Percentage (Over 55)
= 42% + 32% + 14%
= 88%
b) To find the probability that the selected member is 55 or less,
Add the percentage of members who are under 21, 21-35, and 36-55 since all of these age groups are 55 or less.
Probability (55 or less)
= Percentage (Under 21) + Percentage (21-35) + Percentage (36-55)
= 12% + 42% + 32%
= 86%
c) To find the probability that the selected member is not in the 21 to 35 age group,
Add the percentage of members who are under 21, 36-55, and over 55 since all of these age groups are not in the 21 to 35 age group.
Probability (not in the 21 to 35 age group)
= Percentage (Under 21) + Percentage (36-55) + Percentage (Over 55)
= 12% + 32% + 14%
= 58%
Therefore,
The probability that the selected member is 21 or more is 88%.
The probability that the selected member is 55 or less is 86%.
The probability that the selected member is not in the 21 to 35 age group is 58%.
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Pairs of shorts had a mark_up of 17%which includes profit and GST at a price of k29. 25.Find the cost price.
The cost price of the shorts is K22.50.
To find the cost price of the shorts, we need to reverse calculate the original price before the markup and taxes were applied.
Let's assume the cost price of the shorts is represented by C.
The markup of 17% is applied to the cost price, which means the selling price (including the markup) is 117% of the cost price.
117% of the cost price C can be calculated as (117/100) * C.
GST (Goods and Services Tax) is also included in the selling price. GST is typically calculated as a percentage of the selling price. In this case, the selling price of the shorts including GST is K29.25.
Since the GST is included in the selling price, we can subtract it from the selling price to obtain the selling price before GST.
Let's assume the GST rate is R% (as a decimal), then the selling price before GST can be calculated as:
Selling price before GST = Selling price - (Selling price × R)
In this case, the selling price before GST is K29.25, and the GST rate is 17% (0.17 as a decimal). Substituting these values into the equation, we have:
K29.25 = Selling price - (Selling price × 0.17)
Simplifying the equation
K29.25 = Selling price × (1 - 0.17)
K29.25 = Selling price × 0.83
Selling price = K29.25 / 0.83
Now we can substitute the selling price in terms of the cost price:
K29.25 / 0.83 = (117/100) × C
Simplifying the equation:
C = (K29.25 / 0.83) × (100/117)
Calculating the cost price C:
C = K22.50
Therefore, the cost price of the shorts is K22.50.
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The instructor noted the following scores on the last quiz of the semester for 8 students. Find the range of this data set 59,61,83,67,81,80,81,100
answer: the range is 41.
to find the range of this data set, we first need to find the minimum and maximum values - which are 59 and 100.
then we subtract the minimum from the maximum.
59 - 100 = 41.
Given: 2-3a 4+a
Find: 8a+10
Answer:
\(\fbox{8a+10 = 6}\)
Step-by-step explanation:
\(2-3a =4+a\)
Adding 3a both side,
\(2 - \cancel{3a} + \cancel{3a} =4+a + 3a\)
\(2 = 4 + 4a\)
Subtracting 4 from both the side,
\(2 - 4 = \cancel4 - \cancel4 + 4a\)
\(4a = - 2\)
Now we have to find the value of 8a+10,
\(8a+10 = 2(4a) + 10\)
\(8a+10 = 2 \times ( - 2) + 10 \\ 8a+10 = - 4 + 10 \\ \fbox{8a+10 = 6}\)
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Hey! there
Answer:
6Step-by-step explanation:
In this question we are given with an equation that is 2 - 3a = 4 + a . And we are asked to find the value of 8a + 10 .
So , for finding the value of 8a + 10 , we need to find the value of 'a' with the help of given equation.
Solution : -\(\longmapsto \qquad \: \it{2 - 3a = 4 + a}\)
Step 1 : Adding '3a' on both sides :
\(\longmapsto \qquad \: \it{2 - \:\bold{ \cancel{3a}} + \bold{ \cancel{3a}} = 4 + \bold{a} + \bold{3a}}\)
On further solving,
\(\longmapsto \qquad \: \it{2 = 4 + 4a}\)
Step 2 : Subtracting with '2' on both sides :
\(\longmapsto \qquad \: \it{ \cancel{\bold{2 }} - \cancel{\bold{2 }}= \bold{ 4 }+ 4a - \bold{ 2}}\)
On further solving,
\(\longmapsto \qquad \: \it{0 = 2 + 4a}\)
Step 3 : Subtracting '4a' on both side s:
\(\longmapsto \qquad \: \it{0 - 4a= 2+ \cancel{\bold{4a}} - \cancel{\bold{4a}}}\)
On further solving,
\(\longmapsto \qquad \: \it{ - 4a= 2}\)
Step 4 : Dividing both sides by 4 :
\(\longmapsto \qquad \: \it{ \dfrac{ \cancel{- 4}a}{ \cancel{4}} = \cancel{ \dfrac{2}{4} }}\)
On further solving,
\(\longmapsto \qquad \: \it{ - a= \dfrac{1}{2} }\)
Step 5 : Multiplying both sides by '-1' :
\(\longmapsto \qquad \: \it{ - a \times (- 1)= \dfrac{1}{2} \times ( - 1) }\)
We get,
\(\longmapsto \qquad \: \it{ \boxed{\boxed{ \bold{a= - \dfrac{ 1}{2} }}}}\)
Now , substituting value of a in given expression that is 8a + 10 :
\( \longrightarrow \quad \: \frak{ \cancel{8} \times ( - \dfrac{1}{ \cancel{2}} ) + 10}\)
We get :
\(\longrightarrow \quad \: \frak{ 4 \times - 1 + 10}\)
\(\longrightarrow \quad \: \frak{ (- 4) + 10}\)
\(\longrightarrow \quad \: \frak{ \red{\underline{\red{\boxed{ 6}}}}} \quad \bigstar\)
Therefore, 6 is the answer :)#KeepLearning1)
Find the value of x in
the triangle below:
17
A) 20.2
B) 18.7
C) 19.5
D) 21.1
E) 22.6
K
84⁰
65°
Mrs. Wilson
Mrs. Crane
Mr. Haynes
Ms. Lindstrom
Mr. Swasey
O Gina Wilson (All Things Algebra), 2014
The correct option is A) 20.2.
What is triangle sum?
The triangle sum is a property of triangles that states that the sum of the interior angles of a triangle is always equal to 180 degrees. In other words, if you add up the measures of the three angles inside a triangle, the result will always be 180 degrees.
Using the given information and the fact that the angles in a triangle sum to 180 degrees, we can find the value of x as follows:
Start by finding the measure of angle K by subtracting the measures of angles A and B from 180 degrees:
K = 180 - A - B
= 180 - 84 - 65
= 31 degrees
Use the law of sines to set up an equation relating the side lengths and corresponding angle measures:
sin(A)/x = sin(K)/17
Substitute the values we know into the equation and solve for x:
sin(84)/x = sin(31)/17
x = sin(84)*17/sin(31)
Using a calculator, we get:
x ≈ 20.2
Therefore, the value of x in the triangle is approximately 20.2.
So, the correct option is A) 20.2.
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Multiply and simplify 24/7 and 9/16
Answer:
27/14 or 1 13/14
Step-by-step explanation:
First you simplify the problem to 3/7 × 9/2. then you multiply them to get 27/14 or 1 13/14.
Answer:
24/7 × 9/16
6/7 × 9/4
3/7 × 9/2
27/4
=6.75
Step-by-step explanation:
in dividing this equation, 4 can divide both 24 and 16 so 4 will divide 16 4 times and divide 24 6times. also 2 can divide 4 2times and divide 6 times so you will be having the third method. then you multiply them since you can have any number dividing them. your answer will be 27/4 which is an improper so you will either change it to decimals or mixed fraction
Find the missing angle
RPQ= __________
The value of angle RPQ in the circle is 115 degrees.
How to find the angle in the circle?Using angles of intersecting chord theorem, If two chords intersect inside a circle, then the measure of the angle formed is one half the sum of the measure of the arcs intercepted by the angle and its vertical angle.
Therefore,
∠RPQ = 1 / 2 (arc angle RQ + arc angle SA)
arc angle RQ = 175 degrees
arc angle SA = 55 degrees
Hence,
∠RPQ = 1 / 2 (175 + 55)
∠RPQ = 1 / 2 (230)
∠RPQ = 115 degrees.
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Answer: 115 degrees
Step-by-step explanation:∠
RPQ = 1 / 2 (175 + 55)
∠RPQ = 1 / 2 (230)
∠RPQ = 115 degrees.
(Algebra 2)
C(x) = (12,000x - 0.02x^3) - (3000x - 0.002x^3)
Write a simplified expression for C(x).
A. C(x) = -0.022x^3 + 9000x
B. C(x) = -0.018x^3 + 9000x
C. C(x) = -0.022x^3 + 15,000x
Answer:
B
Step-by-step explanation:
C(x) = (12,000x - 0.02x^3) - (3000x - 0.002x^3)
C(x) = 12,000x - 0.02x^3 - 3000)x + 0.002x^3
C(x) = (12,000 - 3,000)x + (-0.02 - 0.002)x^3
= 9000x - 0.018x^3
A suspicious monkey offers you and your
classmates fruit to eat. As you consider eating
the fruit, he tells you that 60 out of 1240 fruit
trees are poisonous. What percent of trees on
the island are poisonous ?
(Round to nearest tenth)
Answer:
4.8
Step-by-step explanation:
stal Find the Product (X+3÷x)²
the product of (x + 3/x)² is x² + 6 + 9/x².
Why it is and what is Algebra?
To find the product of (x + 3/x)², we can use the formula for squaring a binomial:
(a + b)² = a² + 2ab + b²
In this case, we have a = x and b = 3/x, so we can substitute these values into the formula and simplify:
(x + 3/x)² = x² + 2(x)(3/x) + (3/x)²
= x² + 6 + 9/x²
Therefore, the product of (x + 3/x)² is x² + 6 + 9/x².
Algebra is a branch of mathematics that deals with the study of mathematical symbols and the rules for manipulating these symbols. It involves the use of letters and symbols to represent numbers and quantities in equations and expressions. The primary goal of algebra is to solve mathematical problems and equations using various operations such as addition, subtraction, multiplication, and division.
Algebraic concepts can be applied to a wide range of mathematical and real-world problems, including geometry, physics, engineering, economics, and statistics.
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Complete question:
Find the product of (x + 3/x)²2.
A teaching hospital in South-West Part of Nigeria receives on the average 5 pregnant women with high blood pressure per week. What is the probability that on a particular week, the teaching hospital will receive:
1.) No high BP pregnant woman
Answer:
The probability that on a particular week, the hospital will receive on high BP pregnant woman is 0.0068
Step-by-step explanation:
We use the Exponential distribution,
Since we are given that on average, 5 pregnant women with high blood pressure come per week,
So, average = m = 5
Now, on average, 5 people come every week, so,
5 women per week,
so, we get 1 woman per (1/5)th week,
Hence, the mean is m = 1/5 for a woman arriving
and λ = 1/m = 5 = λ
we have to find the probability that it takes higher than a week for a high BP pregnant woman to arrive, i.e,
P(X>1) i.e. the probability that it takes more than a week for a high BP pregnant woman to show up,
Now,
P(X>1) = 1 - P(X<1),
Now, the probability density function is,
\(f(x) = \lambda e^{-\lambda x}\)
And the cumulative distribution function (CDF) is,
\(CDF = 1 - e^{-\lambda x}\)
Now, CDF gives the probability of an event occuring within a given time,
so, for 1 week, we have x = 1, and λ = 5, which gives,
P(X<1) = CDF,
so,
\(P(X < 1)=CDF = 1 - e^{-\lambda x}\\P(X < 1)=1-e^{-5(1)}\\P(X < 1)=1-e^{-5}\\P(X < 1) = 1 - 6.738*10^{-3}\\P(X < 1) = 0.9932\\And,\\P(X > 1) = 1 - 0.9932\\P(X > 1) = 6.8*10^{-3}\\P(X > 1) = 0.0068\)
So, the probability that on a particular week, the hospital will receive on high BP pregnant woman is 0.0068
write 4/27 as the product of a prime raised to a power
Answer:
write 4/27 as the product of a prime raised to a power
3. Find the precise. or exact. sum of these two numbers. 123+358 =
Answer:
481
Step-by-step explanation:
Assuming that no denominator equals zero, what is the simplest form of this expression?
OA. 1
(x+3)(x-3)
OB. 1
3x + 1
O c. 3x+1
OD.
x-3
3x + 1
The simplest form of the expression given as 3x + 9/x² - 9 is 3/(x - 3)
How to determine the simplest form of this expression?From the question, we have the following parameters that can be used in our computation:
3x + 9/x² - 9
Introduce brackets in the above expression to differentiate between the numerator and the denominator
So, we have the following representation
(3x + 9)/(x² - 9)
Express x² - 9 as difference of two squares
This gives
(3x + 9)/(x² - 9) = (3x + 9)/(x - 3)(x + 3)
So, we have
(3x + 3)/(x² - 9) = 3(x + 3)/(x - 3)(x + 3)
Divide the common factors
(3x + 3)/(x² - 9) = 3/(x - 3)
Hence, the solution is 3/(x - 3)
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Complete question
Assuming that no denominator equals zero, what is the simplest form of this expression?
3x + 9/x² - 9
Help pls i dont understand this
The percent change in the number of water bottles the company manufactured from February to April is 19.5%, to the nearest percent.
What is the percentage?A % is a quantity or ratio that, in mathematics, represents a portion of one hundred. A dimensionless relationship between two numbers can be represented in a variety of ways, such as through ratios, fractions, and decimals.
The total number of water bottles the company manufactured in February, March, and April.
In February, the company manufactured 4,100 water bottles. In March, the company manufactured 7% more water bottles than in February, which is 7/100 * 4,100 = 287 water bottles.
Therefore, the total number of water bottles the company manufactured in March is 4,100 + 287 = 4,387 water bottles. In April, the company manufactured 500 more water bottles than in March, which is 4,387 + 500 = 4,887 water bottles.
This is calculated as (4,887 - 4,100) / 4,100 = 0.195 or 19.5%.
Therefore, the percent change in the number of water bottles the company manufactured from February to April is 19.5%, to the nearest percent.
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A shopkeeper marks the price of an article
30% above its cost price and gives a customer discount of
15%. A customer bought that article including 13% VAT at
Rs. 1872.975. Find the marked price of the article and the
gain of shopkeeper
Answer:
The gain percent made by shopkeeper is 10.5%.
Step-by-step explanation:
Given:
Price at which goods are marked = 30%
Discount on the marked price = 15%
To Find:
Gain percentage of the shopkeeper
Solution:
Let the cost price of the product be = 100
Therefore,
MP = 30 + 100 = 130
Since discount is 15%. thus -
Discount = 15/100 x 130
= 19.5
Selling price = MP - Discount
SP = 130 - 19.5
= 110.5
Profit = SP - CP
= 110.5 - 100
= 10.5
Calculating the gain%
Gain% = 10.5/100 x 100
= 10.5
Answer: The gain percent made by shopkeeper is 10.5%.
Please help me please help me if you don't know gently move your hand
i will make you brainliest with 15 points
i will file a complaint if it wrong
Answer:
Assuming that d=diameter, then
C=43.96cm
Step-by-step explanation:
Diameter=14cm
14x3.14=43.96cm
Identify the graph of the inequality 2(2x-1)+7< 13 or -2x+5-10.
From the resulting solution, the correct linear inequality graph is Graph C.
Solving inequality expressionGiven the inequality equation below:
2(2x-1)+7< 13 or -2x+5 ≤ -10.
Simplify the expression
2(2x-1)+7< 13
Expand
4x - 2 + 7 < 13
4x + 5 < 13
4x < 13 - 5
4x < 8
x < 2
For the inequality -2x+5 ≤ -10.
-2x+5 ≤ -10
-2x ≤ -15
x ≥ 7.5
Hence the solution to the given system of inequalities are x < 2 and x ≥ 7.5
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sjrface area of triangle base of 11cm and height 7cm
Answer:
38.5...............
Step-by-step explanation:
(11×7)/2.
Consider two points A(0,0) and B(1, 1) on a Cartesian plane. The equation of the axis of the segment AB is: A. y = 1 2 − B. y = 2 − C. y = 1 − 2 D. y = 1 − E. y = 1 − 2
So, the equation of the axis of the segment AB is (A) y = 1/2 - x/2.
What is slope?
In mathematics, slope refers to the steepness or incline of a line on a graph. It is a measure of how much the dependent variable changes for every unit change in the independent variable.
The slope of the line passing through points A and B can be calculated as follows:
slope = (change in y) / (change in x) = (1-0) / (1-0) = 1/1 = 1
The equation of a line in slope-intercept form (y = mx + b), where m is the slope and b is the y-intercept.
To find the y-intercept, we can use point A (0,0) and substitute the slope value.
y = mx + b
0 = 1(0) + b
b = 0
Therefore, the equation of the line passing through points A and B is:
y = 1x + 0
Simplifying, we get:
y = x
So, the answer is (A) y = 1/2 - x/2. However, this is not one of the given answer choices. We can also write the equation in point-slope form as y - y1 = m(x - x1) using point A, which gives:
y - 0 = 1(x - 0)
y = x
This confirms our earlier answer.
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. In the casino game roulette, a wheel with 38 spaces (18 red, 18 black, and 2 green) is spun. In one possible bet, the player bets $1 on a single number. If that number is spun on the wheel, then they receive $36 (their original $1 $35). Otherwise, they lose their $1. On average, how much money should a player expect to win or lose if they play this game repeatedly
Answer:
For each game, the player should be expected to lose $0.0263.
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
Probability of each outcome:
1/38 probability of winning, that is, 1/38 probability of receiving $36.
37/38 probability of losing, that is, 37/38 probability of losing $1.
On average, how much money should a player expect to win or lose if they play this game repeatedly?
For each game:
\(E(X) = \frac{1}{38}*36 - \frac{37}{38}*1 = \frac{36 - 37}{38} = -\frac{1}{38} = -0.0263\)
For each game, the player should be expected to lose $0.0263.
Choose Yes or No to indicate whether the statement is correct.
5,212 ÷ 17 is 306 r10
A Yes B No
8,793 ÷ 42 is 209 r15
A Yes B No
1,272 ÷ 24 is 52
A Yes B No
Answer:
Step-by-step explanation:
5,212 ÷ 17 is 306 r10
A Yes B No
8,793 ÷ 8,793 is 209 r15
A Yes B No
1,272 ÷ 24 is 52
A Yes B No
Which of the following expressions represents the distance between -2 and 1?
when katilyn went to bed, the temperature was 36^F. when she woke up the next morning, the temperature was -9^F.
Answer:
it decreased by 45 degrees f
Step-by-step explanation:
An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
The change in temperature.
= Final temperature - Initial temperature
The change in temperature is -45°F
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
The temperature at the time of bed.
Initial temperature = 36° F
The temperature when she woke up.
Final temperature = -9° F
The change in temperature.
= Final temperature - Initial temperature
= -9 - 36
= 45°F
This means that there was a change of 45°F from the time when she went to bed till the time she woke up.
Thus,
The change in temperature is -45°F
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